Herramienta de simulación realista para el análisis práctico de sistemas térmicos de refrigeración solar impulsados por colectores lineales Fresnel
DOI:
https://doi.org/10.54139/revinguc.v28i3.48Palabras clave:
energía solar, colectores lineales Fresnel, refrigeración por absorción, simulaciones horarias y paramétricas, herramienta de simulaciónResumen
Los objetivos del presente trabajo consistieron en el desarrollo de una herramienta de simulación realista de sistemas térmicos de refrigeración solar impulsados por colectores Fresnel, y la realización de un caso de estudio que simulara el comportamiento de una instalación de refrigeración solar de 190 kW localizada en Riad; para demostrar la funcionalidad y potencialidad de la herramienta desarrollada. Esta herramienta se basa en un modelo matemático integrado que considera las condiciones ambientales, las cargas térmicas del edificio, los datos de pre-dimensionamiento de cada componente del sistema y la interacción simultánea entre ellos, para realizar un análisis preciso, simple y realista. Del caso de estudio, realizado en el mes de julio con 704 m2 de apertura solar y un tanque de almacenamiento de 35200 L, se obtuvieron 47,5 MWh de energía de refrigeración, con una reducida contribución del sistema auxiliar (5,6 MWh) y una mínima cantidad de horas de desactivación del sistema de captación solar (0,7 %). El coeficiente de rendimiento (COP) diario de la máquina de absorción se mantuvo sobre 0,69. Estos resultados obtenidos con la herramienta de simulación, permitieron verificar su funcionalidad, capacidades y correcta operación, en la realización de estudios horarios y paramétricos de este tipo de sistemas.
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